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Thread: Need help evaluating 50mm lens

  1. #1
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    Need help evaluating 50mm lens

    Hi All,

    I just picked up a used 50mm Summicron-M for my M240. I suspect a problem with the lens, but only have the one, so can't try another on the M240.

    Anything shot in mixed light (outside or even inside as seen in one example) shows a 'wash out' in the center of the frame, upper half or so. These outdoors examples are in thick cloud cover, so no direct sun...could it be a bad flare anyway (shot with hood pulled out)? Sometimes it's subtle, sometimes very pronounced. The indoor example is in a warehouse room with light coming in a window.

    (not awesome shots, just examples...)

    Thoughts on the cause of this?

    Thanks for your time,
    Jeff














  2. #2
    Subscriber Member jaapv's Avatar
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    Re: Need help evaluating 50mm lens

    CLA
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    http://www.jaapvphotography.eu
    The colours of my generation are black and white.

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    Re: Need help evaluating 50mm lens

    Agree with CLA

    Try shining a flash light from one end and looking thru lens from the other, you probably will see a sort of foggy look on some elements. (If you are really lucky, maybe your front or back element have a huge finger print smudge that you can clean off!)

    all the best

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    Re: Need help evaluating 50mm lens

    Agree with the comments above but would also add my experience that this lens is particularly prone to flare in situations where there is a large light source (e.g. sky) just outside the field of view. This is one Leica lens that is definitely not my favourite.

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    Re: Need help evaluating 50mm lens

    Thanks for all the input. I'm now trying to figure out the best service/CLA option (from the isolated middle of the midwest!)

    Thanks again,
    Jeff

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    Senior Member alajuela's Avatar
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    Re: Need help evaluating 50mm lens

    Quote Originally Posted by jeffnesh View Post
    Thanks for all the input. I'm now trying to figure out the best service/CLA option (from the isolated middle of the midwest!)

    Thanks again,
    Jeff

    Hello Jeff -

    You are in Luck !!

    I would start here --- DAG Camera Parts (In Wisconsin)

    Don trained with Leica in Germany for many years - -- He is very good and responsive. He did some work for me on a 50mm R lens - -- now perfect.

    Telephone
    608-835-3342

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    608-835-3342

    Postal Address
    2128 Vintage Drive
    Oregon WI 53575 USA

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    Thanks

    Phil

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    Workshop Member Woody Campbell's Avatar
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    Re: Need help evaluating 50mm lens

    Don is highly recommended

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    Member Duane Pandorf's Avatar
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    Re: Need help evaluating 50mm lens

    Quote Originally Posted by jeffnesh View Post
    Hi All,

    I just picked up a used 50mm Summicron-M for my M240. I suspect a problem with the lens, but only have the one, so can't try another on the M240.

    Anything shot in mixed light (outside or even inside as seen in one example) shows a 'wash out' in the center of the frame, upper half or so. These outdoors examples are in thick cloud cover, so no direct sun...could it be a bad flare anyway (shot with hood pulled out)? Sometimes it's subtle, sometimes very pronounced. The indoor example is in a warehouse room with light coming in a window.

    (not awesome shots, just examples...)

    Thoughts on the cause of this?

    Thanks for your time,
    Jeff

    .....
    You didn't say where you purchased this lens but I would attempt to return it before spending money on trying to "fix"" it.
    Duane Pandorf
    -----------------
    Blog | Portfolio |

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